RRB Group D 2025 Question Paper (3-Aug-2026) (Shift 2)

Question 1

If a resistor is connected to a voltage source and the resistance is halved while the voltage remains constant, what happens to the heat produced in a fixed time?

Accepted Answer

The heat produced increases to twice its previous value

Answer

The heat produced decreases to half its previous value

Answer

The heat produced increases to four times its previous value

Answer

The heat produced remains unchanged

Question 2

A student places a candle at a distance greater than twice the focal length from a convex lens. She observes the image formed on a screen. Which of the following best describes the image's nature, position, and size?

Accepted Answer

The image is real, inverted, formed between the focal point and twice the focal length, and smaller than the object.

Answer

The image is virtual, inverted, formed at the focal point, and the same size as the object.

Answer

The image is real, erect, formed beyond twice the focal length, and equal in size to the object.

Answer

The image is virtual, erect, formed on the same side as the object, and larger than the object.

Question 3

What does a higher degree of closeness of magnetic field lines indicate?

Accepted Answer

Stronger magnetic field at that region

Answer

The field lines are about to cross

Answer

Weaker magnetic field at that region

Answer

Presence of electric field

Question 4

Which among the following molecular formulae of organic compounds does NOT represent a ring structure?

Accepted Answer

C6H14

Answer

C6H10

Answer

C6H6

Answer

C6H8

Question 5

Why can you hear a train approaching when you put your ear on the railway track?

Accepted Answer

Sound travels efficiently through solid steel rails to your ear

Answer

Sound moves through the air above the track

Answer

Rails vibrate more loudly than air does

Answer

Vibrations travel only along the surface of the rails

RRB Group D 2025 Question Paper (3-Aug-2026) (Shift 2)

RRB Group D Mock Test Series 2026 (Latest Pattern)

RRB Group D Mock Test Series

General Intelligence and Reasoning Mock Test for Railways Exams